.course-box {
  width: 70rem;
  margin: 0 auto;
  height: 98%;
  border: 1px solid #dbdbe7;
}
.course-box .curse-select {
  height: 5rem;
  width: 100%;
  padding: 2rem 20px 0 20px;
}
.course-box .curse-select input {
  border-radius: 8px;
}
.course-box .curse-select button {
  margin-right: 5px;
  border-radius: 12px;
  font-size: 12px;
}
.course-box .curse-select button:active {
  background-color: #74b0e7;
  color: #fff;
}
.course-box .curse-select .course-sea-but {
  margin: 0 0 0 auto;
}
.course-box .course-table {
  height: 33rem;
  width: 69rem;
  margin: 2px 8px 8px 8px;
  text-align: center;
  cursor: default;
  overflow-y: auto;
}
.course-box .course-table .course-table-header {
  height: 2rem;
  background-color: #f0f2f5;
  width: 67.9rem;
  display: flex;
  position: fixed;
}
.course-box .course-table .course-table-header div {
  font-size: 16px;
  width: 8.485rem;
  height: 2rem;
  border: 1px solid black;
}
.course-box .course-table .course-table-content {
  margin-top: 2rem;
  margin-bottom: 1rem;
  width: 67.9rem;
  height: 50rem;
  display: flex;
}
.course-box .course-table .course-table-content .course-table-sider {
  width: 8.49rem;
  height: 40rem;
}
.course-box .course-table .course-table-content .course-table-sider div {
  width: 8.47rem;
  height: 5rem;
  border: 1px solid black;
  padding-top: 1.5rem;
  font-size: 16px;
}
.course-box .course-table .course-table-content .course-table-main {
  width: 60rem;
  height: 50rem;
  display: flex;
  flex-wrap: wrap;
}
.course-box .course-table .course-table-content .course-table-main .course-table-cell {
  font-size: 8px !important;
  width: 8.487rem;
  height: 5rem;
  border: 1px solid black;
}
.course-box .course-table .course-table-content .course-table-main .course-table-cell p {
  font-size: 12px;
  margin: 0px;
  font-size: 10px;
  text-align: left;
}
.course-box .course-table .course-table-content .course-table-main .changeStyle:hover {
  background-color: #4d9bf5;
  color: #fff;
  transition: color 0.5s ease;
  transition: background-color 0.3s ease;
  cursor: pointer;
}
